# WorkflowGen 7.15.2

**URL:** https://discuss.workflowgen.com/t/workflowgen-7-15-2/1394
**Category:** Release Notes & Downloads
**Created:** [May 28, 2019, 7:48pm UTC](https://discuss.workflowgen.com/t/workflowgen-7-15-2/1394 "2019-05-28T19:48:07Z")
**Posts on this page:** 1
**Showing post:** 4

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### Author: ![qpomarel](https://yyz2.discourse-cdn.com/flex030/user_avatar/discuss.workflowgen.com/qpomarel/32/262_2.png) [@qpomarel](https://discuss.workflowgen.com/u/qpomarel)
#### Post date: [June 4, 2019, 12:39am UTC](https://discuss.workflowgen.com/t/workflowgen-7-15-2/1394/4 "2019-06-04T00:39:47Z")

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Hello David,

You need to set your database collation as `SQL_Latin1_General_CP1_CI_AS`, you can follow the following procedure:

> [@I receive the following SQL error when accessing WorkflowGen: A SQL error has occurred .Net SqlClient Data Provider: Invalid column name ‘RES’](https://discuss.workflowgen.com/t/i-receive-the-following-sql-error-when-accessing-workflowgen-a-sql-error-has-occurred-net-sqlclient-data-provider-invalid-column-name-res/497):
>
> Solution If you receive an SQL error indicating .NET SqlClient Data Provider: Invalid column name RES, it’s likely because your SQL Server database collation is set to Latin1\_General\_BIN, which is not compatible for use with WorkflowGen. We suggest changing your WorkflowGen database collation to the default SQL\_Latin1\_General\_CP1\_CI\_AS, since the database installation script uses this collation. To do this: Back up your WorkflowGen database. Stop all WorkflowGen services and the IIS web …

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